The Photos app in Windows 10 does the same things as Windows Photo Viewer did, and more.

Add additional privacy protection to email messages with encryption.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Hotmail est maintenant Outlook.com. Découvrez comment vous connecter pour accéder à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

Learn how to use drag and drop to transfer content between your Android device and PC.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.